LJM AP 1.13
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75 Terms
What is the common flexor origin in the humerus?
Medial epicondyle
What is this structure highlighted in pink?
Medial epicondyle (left humerus)
What is the arrow pointing at?
Medial supracondylar ridge of humerus
What is the common extensor origin in the humerus?
Lateral epicondyle
What is this structure highlighted in pink?
Lateral epicondyle (left humerus)
What is the arrow pointing at?
Lateral supracondylar ridge of humerus
What is highlighted in green?
Trochlea
What is highlighted in green?
Capitulum
What is highlighted in green?
Olecranon
What is highlighted in green?
Coronoid process (of ulna)
What is highlighted in green?
Trochlear notch
What is highlighted in green?
Styloid process
What is highlighted in green?
Head of radius
What is highlighted in green?
Radial tuberosity
What is the green arrow pointing at?
Radioulnar interosseous membrane
What is the green arrow pointing at?
Axillary artery
What is this structure?
Superior thoracic artery
What is this structure?
Thoracoacromial
What is this structure?
Lateral thoracic artery
What is this?
Anterior circumflex humeral
What is this?
Posterior circumflex huermal
What is this?
Subscapular artery
What is this?
Cicumflex scapular artery (branch of subscapular)
What is this?
Thoracodorsal artery (branch of subscapular)
Where does the axillary artery begin?
outer border of the first rib
Where does the axillary artery end?
ends at the lower border of the teres major muscle
What is this?
Brachial artery
What is this?
Profunda brachii artery
What are the 5 main branches of the brachial plexus?
Axillary, musculocutaneous, ulnar, median, radial
What does the axillary nerve supply?
Deltoid and teres minor muscle
What does the musculocutaneous nerve supply?
Muscles of the anterior compartment of the arm (like biceps brachii, brachialis, coracobrachialis)
What does the radial nerve supply?
Posterior compartment of the arm and forearm
What is the difference between long head and short head of biceps brachii?
Long head originates at the supraglenoid tubercle of the scapula (above the shoulder joint)
Short head originates at the coracoid process of the scapula (the front/top of the shoulder)
What is highlighted?
Biceps brachii
What is highlighted?
Short head of biceps brachii (originates at coracoid process of scapula)
What is highlighted?
Long head of biceps brachii (originates at supraglenoid tubercle of scapula)
Where does the tendons of the biceps brachii attatch to?
Radial tuberosity
What is highlighted?
Bicipital aponeurosis
What muscle is the main flexor at the elbow joint?
Brachialis muscle
What is this?
Brachialis muscle
What muscle is this?
Coracobrachialis muscle (lies below biceps brachii)
What is the nerve supply of triceps brachii?
Innervated by radial nerve
Which muscle is the main muscle in the posterior compartment of the arm?
Triceps brachii
Where does the long head of the triceps brachii attach to?
Scapula
Where does the medial and lateral heads of the triceps brachii attach to?
Humerus
Where does the three heads of the tricpes brachii unite (long, medial, and lateral)?
Olecranon of ulna
What is this muscle?
Triceps brachii
Where do some muscles in the anterior compartment of the forearm originate from?
Area at or near the medial epicondyle of the humerus
What is this muscle?
Pronator teres
What is this?
Flexor carpii ulnaris
What is this?
Palmaris longus
What is this?
Flexor carpii ulnaris
What is this?
Flexor digitorum superficialis
What is the nerve supply of the anterior compartment of the forearm? (pronator teres, flexor carpii radialis, palmaris longus, flexor digitorum superficialis)
median nerve
What is the nerve suply of flexor carpii ulnaris?
ulnar nerve
Where do some muscles in the posterior compartment of the forearm originate from?
lateral epicondyle of humerus
What is this?
Brachioradialis
What is this?
Extensor digitorum
Extensor carpi ulnaris
Extensor carpi radialis brevis
Extensor carpi radialis longus
Extensor digiti minimi
What is this muscle?
Supinator
What is the nerve supply of the posterior compartment of the forearm?
Radial nerve (posterior interosseous nerve: branch of radial nerve)
What compartment of forearm is flexor-pronator?
Anterior compartment
Where does the flexor digitorum superficialis attach?
Middle phalanx of 2nd to 5th digits
Where does the flexor digitorum profundus attach?
Distal phalanx of 2nd to 5th digits
What is this?
Flexor policis longus
Median nerve
What is this
Ulnar nerve
radial artery
ulnar artery
cephalic vein
basilic vein
median cubital vein